Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 1644 insertions, 0 deletions

diff --git a/khtml/test_regression.cpp b/khtml/test_regression.cpp
new file mode 100644
index 000000000..2e67b614e
--- /dev/null
+++ b/khtml/test_regression.cpp
@@ -0,0 +1,1644 @@
+/**
+ * This file is part of the KDE project
+ *
+ * Copyright (C) 2001,2003 Peter Kelly (pmk@post.com)
+ * Copyright (C) 2003,2004 Stephan Kulow (coolo@kde.org)
+ * Copyright (C) 2004 Dirk Mueller ( mueller@kde.org )
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include <stdlib.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <pwd.h>
+#include <signal.h>
+
+#include <kapplication.h>
+#include <kstandarddirs.h>
+#include <qimage.h>
+#include <qfile.h>
+#include "test_regression.h"
+#include <unistd.h>
+#include <stdio.h>
+
+#include "css/cssstyleselector.h"
+#include <dom_string.h>
+#include "rendering/render_style.h"
+#include "rendering/render_layer.h"
+#include "khtmldefaults.h"
+
+//We don't use the default fonts, though, but traditional testregression ones
+#undef HTML_DEFAULT_VIEW_FONT
+#undef HTML_DEFAULT_VIEW_FIXED_FONT
+#undef HTML_DEFAULT_VIEW_SERIF_FONT
+#undef HTML_DEFAULT_VIEW_SANSSERIF_FONT
+#undef HTML_DEFAULT_VIEW_CURSIVE_FONT
+#undef HTML_DEFAULT_VIEW_FANTASY_FONT
+#define HTML_DEFAULT_VIEW_FONT "helvetica"
+#define HTML_DEFAULT_VIEW_FIXED_FONT "courier"
+#define HTML_DEFAULT_VIEW_SERIF_FONT "times"
+#define HTML_DEFAULT_VIEW_SANSSERIF_FONT "helvetica"
+#define HTML_DEFAULT_VIEW_CURSIVE_FONT "helvetica"
+#define HTML_DEFAULT_VIEW_FANTASY_FONT "helvetica"
+
+
+#include <kaction.h>
+#include <kcmdlineargs.h>
+#include "khtml_factory.h"
+#include <kio/job.h>
+#include <kmainwindow.h>
+#include <ksimpleconfig.h>
+#include <kglobalsettings.h>
+
+#include <qcolor.h>
+#include <qcursor.h>
+#include <qdir.h>
+#include <qobject.h>
+#include <qpushbutton.h>
+#include <qscrollview.h>
+#include <qstring.h>
+#include <qtextstream.h>
+#include <qvaluelist.h>
+#include <qwidget.h>
+#include <qfileinfo.h>
+#include <qtimer.h>
+#include <kstatusbar.h>
+#include <qfileinfo.h>
+
+#include "misc/decoder.h"
+#include "dom/dom2_range.h"
+#include "dom/dom_exception.h"
+#include "dom/html_document.h"
+#include "html/htmltokenizer.h"
+#include "khtml_part.h"
+#include "khtmlpart_p.h"
+#include <kparts/browserextension.h>
+
+#include "khtmlview.h"
+#include "rendering/render_replaced.h"
+#include "xml/dom_docimpl.h"
+#include "html/html_baseimpl.h"
+#include "dom/dom_doc.h"
+#include "misc/loader.h"
+#include "ecma/kjs_binding.h"
+#include "ecma/kjs_dom.h"
+#include "ecma/kjs_window.h"
+#include "ecma/kjs_binding.h"
+#include "ecma/kjs_proxy.h"
+
+using namespace khtml;
+using namespace DOM;
+using namespace KJS;
+
+static bool visual = false;
+static pid_t xvfb;
+
+// -------------------------------------------------------------------------
+
+PartMonitor *PartMonitor::sm_highestMonitor = NULL;
+
+PartMonitor::PartMonitor(KHTMLPart *_part)
+{
+    m_part = _part;
+    m_completed = false;
+    connect(m_part,SIGNAL(completed()),this,SLOT(partCompleted()));
+    m_timer_waits = 200;
+    m_timeout_timer = new QTimer(this);
+}
+
+PartMonitor::~PartMonitor()
+{
+   if (this == sm_highestMonitor)
+	sm_highestMonitor = 0;
+}
+
+
+void PartMonitor::waitForCompletion()
+{
+    if (!m_completed) {
+
+        if (sm_highestMonitor)
+		return;
+
+	sm_highestMonitor = this;
+
+        kapp->enter_loop();
+
+        //connect(m_timeout_timer, SIGNAL(timeout()), this, SLOT( timeout() ) );
+        //m_timeout_timer->stop();
+	//m_timeout_timer->start( visual ? 100 : 2, true );
+    }
+
+    QTimer::singleShot( 0, this, SLOT( finishTimers() ) );
+    kapp->enter_loop();
+}
+
+void PartMonitor::timeout()
+{
+    kapp->exit_loop();
+}
+
+void PartMonitor::finishTimers()
+{
+    KJS::Window *w = KJS::Window::retrieveWindow( m_part );
+    --m_timer_waits;
+    if ( m_timer_waits && (w && w->winq->hasTimers()) || m_part->inProgress()) {
+        // wait a bit
+        QTimer::singleShot( 10, this, SLOT(finishTimers() ) );
+        return;
+    }
+    kapp->exit_loop();
+}
+
+void PartMonitor::partCompleted()
+{
+    m_completed = true;
+    RenderWidget::flushWidgetResizes();
+    m_timeout_timer->stop();
+    connect(m_timeout_timer, SIGNAL(timeout()),this, SLOT( timeout() ) );
+    m_timeout_timer->start( visual ? 100 : 2, true );
+    disconnect(m_part,SIGNAL(completed()),this,SLOT(partCompleted()));
+}
+
+static void signal_handler( int )
+{
+    printf( "timeout\n" );
+    abort();
+}
+// -------------------------------------------------------------------------
+
+RegTestObject::RegTestObject(ExecState *exec, RegressionTest *_regTest)
+{
+    m_regTest = _regTest;
+    putDirect("print",new RegTestFunction(exec,m_regTest,RegTestFunction::Print,1), DontEnum);
+    putDirect("reportResult",new RegTestFunction(exec,m_regTest,RegTestFunction::ReportResult,3), DontEnum);
+    putDirect("checkOutput",new RegTestFunction(exec,m_regTest,RegTestFunction::CheckOutput,1), DontEnum);
+    // add "quit" for compatibility with the mozilla js shell
+    putDirect("quit", new RegTestFunction(exec,m_regTest,RegTestFunction::Quit,1), DontEnum );
+}
+
+RegTestFunction::RegTestFunction(ExecState* /*exec*/, RegressionTest *_regTest, int _id, int length)
+{
+    m_regTest = _regTest;
+    id = _id;
+    putDirect("length",length);
+}
+
+bool RegTestFunction::implementsCall() const
+{
+    return true;
+}
+
+Value RegTestFunction::call(ExecState *exec, Object &/*thisObj*/, const List &args)
+{
+    Value result = Undefined();
+    if ( m_regTest->ignore_errors )
+        return result;
+
+    switch (id) {
+	case Print: {
+	    UString str = args[0].toString(exec);
+            if ( str.qstring().lower().find( "failed!" ) >= 0 )
+                m_regTest->saw_failure = true;
+            QString res = str.qstring().replace('\007', "");
+            m_regTest->m_currentOutput += res + "\n";
+	    break;
+	}
+	case ReportResult: {
+            bool passed = args[0].toBoolean(exec);
+            QString description = args[1].toString(exec).qstring();
+            if (args[1].isA(UndefinedType) || args[1].isA(NullType))
+                description = QString::null;
+            m_regTest->reportResult(passed,description);
+            if ( !passed )
+                m_regTest->saw_failure = true;
+            break;
+        }
+	case CheckOutput: {
+            DOM::DocumentImpl* docimpl = static_cast<DOM::DocumentImpl*>( m_regTest->m_part->document().handle() );
+            if ( docimpl && docimpl->view() && docimpl->renderer() )
+            {
+                docimpl->updateRendering();
+                docimpl->view()->layout();
+            }
+            QString filename = args[0].toString(exec).qstring();
+            filename = RegressionTest::curr->m_currentCategory+"/"+filename;
+            int failures = RegressionTest::NoFailure;
+            if ( m_regTest->m_genOutput ) {
+                if ( !m_regTest->reportResult( m_regTest->checkOutput(filename+"-dom"),
+                                               "Script-generated " + filename + "-dom") )
+                    failures |= RegressionTest::DomFailure;
+                if ( !m_regTest->reportResult( m_regTest->checkOutput(filename+"-render"),
+                                         "Script-generated " + filename + "-render") )
+                    failures |= RegressionTest::RenderFailure;
+            } else {
+                // compare with output file
+                if ( !m_regTest->reportResult( m_regTest->checkOutput(filename+"-dom"), "DOM") )
+                    failures |= RegressionTest::DomFailure;
+                if ( !m_regTest->reportResult( m_regTest->checkOutput(filename+"-render"), "RENDER") )
+                    failures |= RegressionTest::RenderFailure;
+            }
+            RegressionTest::curr->doFailureReport( filename, failures );
+            break;
+        }
+        case Quit:
+            m_regTest->reportResult(true,
+				    "Called quit" );
+            if ( !m_regTest->saw_failure )
+                m_regTest->ignore_errors = true;
+            break;
+    }
+
+    return result;
+}
+
+// -------------------------------------------------------------------------
+
+KHTMLPartObject::KHTMLPartObject(ExecState *exec, KHTMLPart *_part)
+{
+    m_part = _part;
+    putDirect("openPage", new KHTMLPartFunction(exec,m_part,KHTMLPartFunction::OpenPage,1), DontEnum);
+    putDirect("openPageAsUrl", new KHTMLPartFunction(exec,m_part,KHTMLPartFunction::OpenPageAsUrl,1), DontEnum);
+    putDirect("begin",     new KHTMLPartFunction(exec,m_part,KHTMLPartFunction::Begin,1), DontEnum);
+    putDirect("write",    new KHTMLPartFunction(exec,m_part,KHTMLPartFunction::Write,1), DontEnum);
+    putDirect("end",    new KHTMLPartFunction(exec,m_part,KHTMLPartFunction::End,0), DontEnum);
+    putDirect("executeScript", new KHTMLPartFunction(exec,m_part,KHTMLPartFunction::ExecuteScript,0), DontEnum);
+    putDirect("processEvents", new KHTMLPartFunction(exec,m_part,KHTMLPartFunction::ProcessEvents,0), DontEnum);
+}
+
+Value KHTMLPartObject::get(ExecState *exec, const Identifier &propertyName) const
+{
+    if (propertyName == "document")
+        return getDOMNode(exec,m_part->document());
+    else if (propertyName == "window")
+        return Object(KJS::Window::retrieveWindow(m_part));
+    else
+        return ObjectImp::get(exec,propertyName);
+}
+
+KHTMLPartFunction::KHTMLPartFunction(ExecState */*exec*/, KHTMLPart *_part, int _id, int length)
+{
+    m_part = _part;
+    id = _id;
+    putDirect("length",length);
+}
+
+bool KHTMLPartFunction::implementsCall() const
+{
+    return true;
+}
+
+Value KHTMLPartFunction::call(ExecState *exec, Object &/*thisObj*/, const List &args)
+{
+    Value result = Undefined();
+
+    switch (id) {
+        case OpenPage: {
+	    if (args[0].type() == NullType || args[0].type() == NullType) {
+		exec->setException(Error::create(exec, GeneralError,"No filename specified"));
+		return Undefined();
+	    }
+
+            QString filename = args[0].toString(exec).qstring();
+            QString fullFilename = QFileInfo(RegressionTest::curr->m_currentBase+"/"+filename).absFilePath();
+            KURL url;
+            url.setProtocol("file");
+            url.setPath(fullFilename);
+            PartMonitor pm(m_part);
+            m_part->openURL(url);
+            pm.waitForCompletion();
+	    kapp->processEvents(60000);
+            break;
+        }
+	case OpenPageAsUrl: {
+	    if (args[0].type() == NullType || args[0].type() == UndefinedType) {
+		exec->setException(Error::create(exec, GeneralError,"No filename specified"));
+		return Undefined();
+	    }
+	    if (args[1].type() == NullType || args[1].type() == UndefinedType) {
+		exec->setException(Error::create(exec, GeneralError,"No url specified"));
+		return Undefined();
+	    }
+
+            QString filename = args[0].toString(exec).qstring();
+            QString url = args[1].toString(exec).qstring();
+            QFile file(RegressionTest::curr->m_currentBase+"/"+filename);
+	    if (!file.open(IO_ReadOnly)) {
+		exec->setException(Error::create(exec, GeneralError,
+						 QString("Error reading " + filename).latin1()));
+	    }
+	    else {
+		QByteArray fileData;
+		QDataStream stream(fileData,IO_WriteOnly);
+		char buf[1024];
+		int bytesread;
+		while (!file.atEnd()) {
+		    bytesread = file.readBlock(buf,1024);
+		    stream.writeRawBytes(buf,bytesread);
+		}
+		file.close();
+		QString contents(fileData);
+		PartMonitor pm(m_part);
+		m_part->begin(KURL( url ));
+		m_part->write(contents);
+		m_part->end();
+		pm.waitForCompletion();
+	    }
+	    kapp->processEvents(60000);
+	    break;
+	}
+	case Begin: {
+            QString url = args[0].toString(exec).qstring();
+            m_part->begin(KURL( url ));
+            break;
+        }
+        case Write: {
+            QString str = args[0].toString(exec).qstring();
+            m_part->write(str);
+            break;
+        }
+        case End: {
+            m_part->end();
+	    kapp->processEvents(60000);
+            break;
+        }
+	case ExecuteScript: {
+	    QString code = args[0].toString(exec).qstring();
+	    Completion comp;
+	    KJSProxy *proxy = m_part->jScript();
+	    proxy->evaluate("",0,code,0,&comp);
+	    if (comp.complType() == Throw)
+		exec->setException(comp.value());
+	    kapp->processEvents(60000);
+	    break;
+	}
+	case ProcessEvents: {
+	    kapp->processEvents(60000);
+	    break;
+	}
+    }
+
+    return result;
+}
+
+// -------------------------------------------------------------------------
+
+static KCmdLineOptions options[] =
+{
+    { "b", 0, 0 },
+    { "base <base_dir>", "Directory containing tests, basedir and output directories.", 0},
+    { "d", 0, 0 },
+    { "debug", "Do not supress debug output", 0},
+    { "g", 0, 0 } ,
+    { "genoutput", "Regenerate baseline (instead of checking)", 0 } ,
+    { "s", 0, 0 } ,
+    { "show", "Show the window while running tests", 0 } ,
+    { "t", 0, 0 } ,
+    { "test <filename>", "Only run a single test. Multiple options allowed.", 0 } ,
+    { "js",  "Only run .js tests", 0 },
+    { "html", "Only run .html tests", 0},
+    { "noxvfb", "Do not use Xvfb", 0},
+    { "o", 0, 0 },
+    { "output <directory>", "Put output in <directory> instead of <base_dir>/output", 0 } ,
+    { "+[base_dir]", "Directory containing tests,basedir and output directories. Only regarded if -b is not specified.", 0 } ,
+    { "+[testcases]", "Relative path to testcase, or directory of testcases to be run (equivalent to -t).", 0 } ,
+    KCmdLineLastOption
+};
+
+static bool existsDir(QCString dir)
+{
+    struct stat st;
+
+    return (!stat(dir.data(), &st) && S_ISDIR(st.st_mode));
+}
+
+int main(int argc, char *argv[])
+{
+    // forget about any settings
+    passwd* pw = getpwuid( getuid() );
+    if (!pw) {
+        fprintf(stderr, "dang, I don't even know who I am.\n");
+        exit(1);
+    }
+
+    QString kh("/var/tmp/%1_non_existant");
+    kh = kh.arg( pw->pw_name );
+    setenv( "KDEHOME", kh.latin1(), 1 );
+    setenv( "LC_ALL", "C", 1 );
+    setenv( "LANG", "C", 1 );
+
+    signal( SIGALRM, signal_handler );
+
+    // workaround various Qt crashes by always enforcing a TrueColor visual
+    QApplication::setColorSpec( QApplication::ManyColor );
+
+    KCmdLineArgs::init(argc, argv, "testregression", "TestRegression",
+                       "Regression tester for khtml", "1.0");
+    KCmdLineArgs::addCmdLineOptions(options);
+
+    KCmdLineArgs *args = KCmdLineArgs::parsedArgs( );
+
+    QCString baseDir = args->getOption("base");
+
+    if ( args->count() < 1 && baseDir.isEmpty() ) {
+	KCmdLineArgs::usage();
+	::exit( 1 );
+    }
+
+    int testcase_index = 0;
+    if (baseDir.isEmpty()) baseDir = args->arg(testcase_index++);
+
+    QFileInfo bdInfo(baseDir);
+    baseDir = QFile::encodeName(bdInfo.absFilePath());
+
+    const char *subdirs[] = {"tests", "baseline", "output", "resources"};
+    for ( int i = 0; i < 3; i++ ) {
+        QFileInfo sourceDir(QFile::encodeName( baseDir ) + "/" + subdirs[i]);
+        if ( !sourceDir.exists() || !sourceDir.isDir() ) {
+            fprintf(stderr,"ERROR: Source directory \"%s/%s\": no such directory.\n", (const char *)baseDir, subdirs[i]);
+            exit(1);
+        }
+    }
+
+    if (args->isSet("xvfb"))
+    {
+        QString xvfbPath = KStandardDirs::findExe("Xvfb");
+        if ( xvfbPath.isEmpty() ) {
+            fprintf( stderr, "ERROR: We need Xvfb to be installed for reliable results\n" );
+            exit( 1 );
+        }
+        
+        QCString xvfbPath8 = QFile::encodeName(xvfbPath);
+        QStringList fpaths;
+        fpaths.append(baseDir+"/resources");
+
+        const char* const fontdirs[] = { "75dpi", "misc", "Type1" };
+        const char* const fontpaths[] =  {"/usr/share/fonts/", "/usr/X11/lib/X11/fonts/",
+            "/usr/lib/X11/fonts/", "/usr/share/fonts/X11/" };
+
+        for (size_t fp=0; fp < sizeof(fontpaths)/sizeof(*fontpaths); ++fp)
+            for (size_t fd=0; fd < sizeof(fontdirs)/sizeof(*fontdirs); ++fd)
+                if (existsDir(QCString(fontpaths[fp])+QCString(fontdirs[fd])))
+                    if (strcmp(fontdirs[fd] , "Type1"))
+                        fpaths.append(QCString(fontpaths[fp])+QCString(fontdirs[fd])+":unscaled");
+                    else
+                        fpaths.append(QCString(fontpaths[fp])+QCString(fontdirs[fd]));
+
+        xvfb = fork();
+        if ( !xvfb ) {
+            QCString buffer = fpaths.join(",").latin1();
+            execl( xvfbPath8.data(), xvfbPath8.data(), "-once", "-dpi", "100", "-screen", "0",
+                    "1024x768x16", "-ac", "-fp", buffer.data(), ":47", (char*)NULL );
+        }
+
+        setenv( "DISPLAY", ":47", 1 );
+    }
+
+    KApplication a;
+    a.disableAutoDcopRegistration();
+    a.setStyle( "windows" );
+    KSimpleConfig sc1( "cryptodefaults" );
+    sc1.setGroup( "Warnings" );
+    sc1.writeEntry( "OnUnencrypted",  false );
+    a.config()->setGroup( "Notification Messages" );
+    a.config()->writeEntry( "kjscupguard_alarmhandler", true );
+    a.config()->setGroup("HTML Settings");
+    a.config()->writeEntry("ReportJSErrors", false);
+    KConfig cfg( "khtmlrc" );
+    cfg.setGroup("HTML Settings");
+    cfg.writeEntry( "StandardFont", HTML_DEFAULT_VIEW_SANSSERIF_FONT );
+    cfg.writeEntry( "FixedFont", HTML_DEFAULT_VIEW_FIXED_FONT );
+    cfg.writeEntry( "SerifFont", HTML_DEFAULT_VIEW_SERIF_FONT );
+    cfg.writeEntry( "SansSerifFont", HTML_DEFAULT_VIEW_SANSSERIF_FONT );
+    cfg.writeEntry( "CursiveFont", HTML_DEFAULT_VIEW_CURSIVE_FONT );
+    cfg.writeEntry( "FantasyFont", HTML_DEFAULT_VIEW_FANTASY_FONT );
+    cfg.writeEntry( "MinimumFontSize", HTML_DEFAULT_MIN_FONT_SIZE );
+    cfg.writeEntry( "MediumFontSize", 10 );
+    cfg.writeEntry( "Fonts", QStringList() );
+    cfg.writeEntry( "DefaultEncoding", "" );
+    cfg.setGroup("Java/JavaScript Settings");
+    cfg.writeEntry( "WindowOpenPolicy", KHTMLSettings::KJSWindowOpenAllow);
+
+    cfg.sync();
+
+    int rv = 1;
+
+    if ( !args->isSet( "debug" ) ) {
+        KSimpleConfig dc( "kdebugrc" );
+        static int areas[] = { 1000, 6000, 6005, 6010, 6020, 6030,
+                               6031, 6035, 6036, 6040, 6041, 6045,
+                               6050, 6060, 6061, 7000, 7006, 170,
+                               171, 7101, 7002, 7019, 7027, 7014,
+                               7011, 6070, 6080, 6090, 0};
+        for ( int i = 0; areas[i]; ++i ) {
+            dc.setGroup( QString::number( areas[i] ) );
+            dc.writeEntry( "InfoOutput", 4 );
+        }
+        dc.sync();
+
+        kdClearDebugConfig();
+    }
+
+    // create widgets
+    KHTMLFactory *fac = new KHTMLFactory();
+    KMainWindow *toplevel = new KMainWindow();
+    KHTMLPart *part = new KHTMLPart( toplevel, 0, toplevel, 0, KHTMLPart::BrowserViewGUI );
+
+    toplevel->setCentralWidget( part->widget() );
+    part->setJScriptEnabled(true);
+
+    part->executeScript(DOM::Node(), ""); // force the part to create an interpreter
+//    part->setJavaEnabled(true);
+
+    if (args->isSet("show"))
+	visual = true;
+
+    a.setTopWidget(part->widget());
+    a.setMainWidget( toplevel );
+    if ( visual )
+        toplevel->show();
+
+    // we're not interested
+    toplevel->statusBar()->hide();
+
+    if (!getenv("KDE_DEBUG")) {
+        // set ulimits
+        rlimit vmem_limit = { 256*1024*1024, RLIM_INFINITY };	// 256Mb Memory should suffice
+        setrlimit(RLIMIT_AS, &vmem_limit);
+        rlimit stack_limit = { 8*1024*1024, RLIM_INFINITY };	// 8Mb Memory should suffice
+        setrlimit(RLIMIT_STACK, &stack_limit);
+    }
+
+    // run the tests
+    RegressionTest *regressionTest = new RegressionTest(part,
+                                                        baseDir,
+                                                        args->getOption("output"),
+                                                        args->isSet("genoutput"),
+                                                        !args->isSet( "html" ),
+                                                        !args->isSet( "js" ));
+    QObject::connect(part->browserExtension(), SIGNAL(openURLRequest(const KURL &, const KParts::URLArgs &)),
+		     regressionTest, SLOT(slotOpenURL(const KURL&, const KParts::URLArgs &)));
+    QObject::connect(part->browserExtension(), SIGNAL(resizeTopLevelWidget( int, int )),
+		     regressionTest, SLOT(resizeTopLevelWidget( int, int )));
+
+    bool result = false;
+    QCStringList tests = args->getOptionList("test");
+    // merge testcases specified on command line
+    for (; testcase_index < args->count(); testcase_index++)
+        tests << args->arg(testcase_index);
+    if (tests.count() > 0)
+        for (QValueListConstIterator<QCString> it = tests.begin(); it != tests.end(); ++it) {
+	    result = regressionTest->runTests(*it,true);
+            if (!result) break;
+        }
+    else
+	result = regressionTest->runTests();
+
+    if (result) {
+	if (args->isSet("genoutput")) {
+	    printf("\nOutput generation completed.\n");
+	}
+	else {
+	    printf("\nTests completed.\n");
+            printf("Total:    %d\n",
+                   regressionTest->m_passes_work+
+                   regressionTest->m_passes_fail+
+                   regressionTest->m_failures_work+
+                   regressionTest->m_failures_fail+
+                   regressionTest->m_errors);
+	    printf("Passes:   %d",regressionTest->m_passes_work);
+            if ( regressionTest->m_passes_fail )
+                printf( " (%d unexpected passes)\n", regressionTest->m_passes_fail );
+            else
+                printf( "\n" );
+	    printf("Failures: %d",regressionTest->m_failures_work);
+            if ( regressionTest->m_failures_fail )
+                printf( " (%d expected failures)\n", regressionTest->m_failures_fail );
+            else
+                printf( "\n" );
+            if ( regressionTest->m_errors )
+                printf("Errors:   %d\n",regressionTest->m_errors);
+
+            QFile list( regressionTest->m_outputDir + "/links.html" );
+            list.open( IO_WriteOnly|IO_Append );
+            QString link, cl;
+            link = QString( "<hr>%1 failures. (%2 expected failures)" )
+                   .arg(regressionTest->m_failures_work )
+                   .arg( regressionTest->m_failures_fail );
+            list.writeBlock( link.latin1(), link.length() );
+            list.close();
+	}
+    }
+
+    // Only return a 0 exit code if all tests were successful
+    if (regressionTest->m_failures_work == 0 && regressionTest->m_errors == 0)
+	rv = 0;
+
+    // cleanup
+    delete regressionTest;
+    delete part;
+    delete toplevel;
+    delete fac;
+
+    khtml::Cache::clear();
+    khtml::CSSStyleSelector::clear();
+    khtml::RenderStyle::cleanup();
+
+    kill( xvfb, SIGINT );
+
+    return rv;
+}
+
+// -------------------------------------------------------------------------
+
+RegressionTest *RegressionTest::curr = 0;
+
+RegressionTest::RegressionTest(KHTMLPart *part, const QString &baseDir, const QString &outputDir,
+			       bool _genOutput, bool runJS, bool runHTML)
+  : QObject(part)
+{
+    m_part = part;
+    m_baseDir = baseDir;
+    m_baseDir = m_baseDir.replace( "//", "/" );
+    if ( m_baseDir.endsWith( "/" ) )
+        m_baseDir = m_baseDir.left( m_baseDir.length() - 1 );
+    if (outputDir.isEmpty())
+        m_outputDir = m_baseDir + "/output";
+    else {
+        createMissingDirs(outputDir + "/");
+        m_outputDir = outputDir;
+    }
+    m_genOutput = _genOutput;
+    m_runJS = runJS;
+    m_runHTML =  runHTML;
+    m_passes_work = m_passes_fail = 0;
+    m_failures_work = m_failures_fail = 0;
+    m_errors = 0;
+
+    ::unlink( QFile::encodeName( m_outputDir + "/links.html" ) );
+    QFile f( m_outputDir + "/empty.html" );
+    QString s;
+    f.open( IO_WriteOnly | IO_Truncate );
+    s = "<html><body>Follow the white rabbit";
+    f.writeBlock( s.latin1(), s.length() );
+    f.close();
+    f.setName( m_outputDir + "/index.html" );
+    f.open( IO_WriteOnly | IO_Truncate );
+    s = "<html><frameset cols=150,*><frame src=links.html><frame name=content src=empty.html>";
+    f.writeBlock( s.latin1(), s.length() );
+    f.close();
+
+    m_paintBuffer = 0;
+
+    curr = this;
+}
+
+#include <qobjectlist.h>
+
+static QStringList readListFile( const QString &filename )
+{
+    // Read ignore file for this directory
+    QString ignoreFilename = filename;
+    QFileInfo ignoreInfo(ignoreFilename);
+    QStringList ignoreFiles;
+    if (ignoreInfo.exists()) {
+        QFile ignoreFile(ignoreFilename);
+        if (!ignoreFile.open(IO_ReadOnly)) {
+            fprintf(stderr,"Can't open %s\n",ignoreFilename.latin1());
+            exit(1);
+        }
+        QTextStream ignoreStream(&ignoreFile);
+        QString line;
+        while (!(line = ignoreStream.readLine()).isNull())
+            ignoreFiles.append(line);
+        ignoreFile.close();
+    }
+    return ignoreFiles;
+}
+
+RegressionTest::~RegressionTest()
+{
+    delete m_paintBuffer;
+}
+
+bool RegressionTest::runTests(QString relPath, bool mustExist, int known_failure)
+{
+    m_currentOutput = QString::null;
+
+    if (!QFile(m_baseDir + "/tests/"+relPath).exists()) {
+	fprintf(stderr,"%s: No such file or directory\n",relPath.latin1());
+	return false;
+    }
+
+    QString fullPath = m_baseDir + "/tests/"+relPath;
+    QFileInfo info(fullPath);
+
+    if (!info.exists() && mustExist) {
+	fprintf(stderr,"%s: No such file or directory\n",relPath.latin1());
+	return false;
+    }
+
+    if (!info.isReadable() && mustExist) {
+	fprintf(stderr,"%s: Access denied\n",relPath.latin1());
+	return false;
+    }
+
+    if (info.isDir()) {
+        QStringList ignoreFiles = readListFile(  m_baseDir + "/tests/"+relPath+"/ignore" );
+        QStringList failureFiles = readListFile(  m_baseDir + "/tests/"+relPath+"/KNOWN_FAILURES" );
+
+	// Run each test in this directory, recusively
+	QDir sourceDir(m_baseDir + "/tests/"+relPath);
+	for (uint fileno = 0; fileno < sourceDir.count(); fileno++) {
+	    QString filename = sourceDir[fileno];
+	    QString relFilename = relPath.isEmpty() ? filename : relPath+"/"+filename;
+
+	    if (filename == "." || filename == ".." ||  ignoreFiles.contains(filename) )
+                continue;
+            int failure_type = NoFailure;
+            if ( failureFiles.contains( filename ) )
+                failure_type |= AllFailure;
+            if ( failureFiles.contains ( filename + "-render" ) )
+                failure_type |= RenderFailure;
+            if ( failureFiles.contains ( filename + "-dump.png" ) )
+                failure_type |= PaintFailure;
+            if ( failureFiles.contains ( filename + "-dom" ) )
+                failure_type |= DomFailure;
+            runTests(relFilename, false, failure_type );
+	}
+    }
+    else if (info.isFile()) {
+
+        alarm( 400 );
+
+        khtml::Cache::init();
+
+	QString relativeDir = QFileInfo(relPath).dirPath();
+	QString filename = info.fileName();
+	m_currentBase = m_baseDir + "/tests/"+relativeDir;
+	m_currentCategory = relativeDir;
+	m_currentTest = filename;
+        m_known_failures = known_failure;
+	if ( filename.endsWith(".html") || filename.endsWith( ".htm" ) || filename.endsWith( ".xhtml" ) || filename.endsWith( ".xml" ) ) {
+            if ( relPath.startsWith( "domts/" ) && !m_runJS )
+                return true;
+	    if ( relPath.startsWith( "ecma/" ) && !m_runJS )
+	        return true;
+            if ( m_runHTML )
+                testStaticFile(relPath);
+	}
+	else if (filename.endsWith(".js")) {
+            if ( m_runJS )
+                testJSFile(relPath);
+	}
+	else if (mustExist) {
+	    fprintf(stderr,"%s: Not a valid test file (must be .htm(l) or .js)\n",relPath.latin1());
+	    return false;
+	}
+    } else if (mustExist) {
+        fprintf(stderr,"%s: Not a regular file\n",relPath.latin1());
+        return false;
+    }
+
+    return true;
+}
+
+void RegressionTest::getPartDOMOutput( QTextStream &outputStream, KHTMLPart* part, uint indent )
+{
+    Node node = part->document();
+    while (!node.isNull()) {
+	// process
+
+	for (uint i = 0; i < indent; i++)
+	    outputStream << "  ";
+	outputStream << node.nodeName().string();
+
+	switch (node.nodeType()) {
+	    case Node::ELEMENT_NODE: {
+		// Sort strings to ensure consistent output
+		QStringList attrNames;
+		NamedNodeMap attrs = node.attributes();
+		for (uint a = 0; a < attrs.length(); a++)
+		    attrNames.append(attrs.item(a).nodeName().string());
+		attrNames.sort();
+
+		QStringList::iterator it;
+		Element elem(node);
+		for (it = attrNames.begin(); it != attrNames.end(); ++it) {
+		    QString name = *it;
+		    QString value = elem.getAttribute(*it).string();
+		    outputStream << " " << name << "=\"" << value << "\"";
+		}
+		if ( node.handle()->id() == ID_FRAME ) {
+			outputStream << endl;
+			QString frameName = static_cast<DOM::HTMLFrameElementImpl *>( node.handle() )->name.string();
+			KHTMLPart* frame = part->findFrame( frameName );
+			Q_ASSERT( frame );
+			if ( frame )
+			    getPartDOMOutput( outputStream, frame, indent );
+		}
+		break;
+	    }
+	    case Node::ATTRIBUTE_NODE:
+		// Should not be present in tree
+		assert(false);
+		break;
+            case Node::TEXT_NODE:
+		outputStream << " \"" << Text(node).data().string() << "\"";
+		break;
+            case Node::CDATA_SECTION_NODE:
+		outputStream << " \"" << CDATASection(node).data().string() << "\"";
+		break;
+            case Node::ENTITY_REFERENCE_NODE:
+		break;
+            case Node::ENTITY_NODE:
+		break;
+            case Node::PROCESSING_INSTRUCTION_NODE:
+		break;
+            case Node::COMMENT_NODE:
+		outputStream << " \"" << Comment(node).data().string() << "\"";
+		break;
+            case Node::DOCUMENT_NODE:
+		break;
+            case Node::DOCUMENT_TYPE_NODE:
+		break;
+            case Node::DOCUMENT_FRAGMENT_NODE:
+		// Should not be present in tree
+		assert(false);
+		break;
+            case Node::NOTATION_NODE:
+		break;
+            default:
+		assert(false);
+		break;
+	}
+
+	outputStream << endl;
+
+	if (!node.firstChild().isNull()) {
+	    node = node.firstChild();
+	    indent++;
+	}
+	else if (!node.nextSibling().isNull()) {
+	    node = node.nextSibling();
+	}
+	else {
+	    while (!node.isNull() && node.nextSibling().isNull()) {
+		node = node.parentNode();
+		indent--;
+	    }
+	    if (!node.isNull())
+		node = node.nextSibling();
+	}
+    }
+}
+
+void RegressionTest::dumpRenderTree( QTextStream &outputStream, KHTMLPart* part )
+{
+    DOM::DocumentImpl* doc = static_cast<DocumentImpl*>( part->document().handle() );
+    if ( !doc || !doc->renderer() )
+        return;
+    doc->renderer()->layer()->dump( outputStream );
+
+    // Dump frames if any
+    // Get list of names instead of frames() to sort the list alphabetically
+    QStringList names = part->frameNames();
+    names.sort();
+    for ( QStringList::iterator it = names.begin(); it != names.end(); ++it ) {
+        outputStream << "FRAME: " << (*it) << "\n";
+	KHTMLPart* frame = part->findFrame( (*it) );
+	Q_ASSERT( frame );
+	if ( frame )
+            dumpRenderTree( outputStream, frame );
+    }
+}
+
+QString RegressionTest::getPartOutput( OutputType type)
+{
+    // dump out the contents of the rendering & DOM trees
+    QString dump;
+    QTextStream outputStream(dump,IO_WriteOnly);
+
+    if ( type == RenderTree ) {
+        dumpRenderTree( outputStream, m_part );
+    } else {
+        assert( type == DOMTree );
+        getPartDOMOutput( outputStream, m_part, 0 );
+    }
+
+    dump.replace( m_baseDir + "/tests", QString::fromLatin1( "REGRESSION_SRCDIR" ) );
+    return dump;
+}
+
+QImage RegressionTest::renderToImage()
+{
+    int ew = m_part->view()->contentsWidth();
+    int eh = m_part->view()->contentsHeight();
+
+    if (ew * eh > 4000 * 4000) // don't DoS us
+        return QImage();
+
+    QImage img( ew, eh, 32 );
+    img.fill( 0xff0000 );
+    if (!m_paintBuffer )
+        m_paintBuffer = new QPixmap( 512, 128, -1, QPixmap::MemoryOptim );
+
+    for ( int py = 0; py < eh; py += 128 ) {
+        for ( int px = 0; px < ew; px += 512 ) {
+            QPainter* tp = new QPainter;
+            tp->begin( m_paintBuffer );
+            tp->translate( -px, -py );
+            tp->fillRect(px, py, 512, 128, Qt::magenta);
+            m_part->document().handle()->renderer()->layer()->paint( tp, QRect( px, py, 512, 128 ) );
+            tp->end();
+            delete tp;
+
+            // now fill the chunk into our image
+            QImage chunk = m_paintBuffer->convertToImage();
+            assert( chunk.depth() == 32 );
+            for ( int y = 0; y < 128 && py + y < eh; ++y )
+                memcpy( img.scanLine( py+y ) + px*4, chunk.scanLine( y ), kMin( 512, ew-px )*4 );
+        }
+    }
+
+    assert( img.depth() == 32 );
+    return img;
+}
+
+bool RegressionTest::imageEqual( const QImage &lhsi, const QImage &rhsi )
+{
+    if ( lhsi.width() != rhsi.width() || lhsi.height() != rhsi.height() ) {
+        kdDebug() << "dimensions different " << lhsi.size() << " " << rhsi.size() << endl;
+        return false;
+    }
+    int w = lhsi.width();
+    int h = lhsi.height();
+    int bytes = lhsi.bytesPerLine();
+
+    for ( int y = 0; y < h; ++y )
+    {
+        QRgb* ls = ( QRgb* ) lhsi.scanLine( y );
+        QRgb* rs = ( QRgb* ) rhsi.scanLine( y );
+        if ( memcmp( ls, rs, bytes ) ) {
+            for ( int x = 0; x < w; ++x ) {
+                QRgb l = ls[x];
+                QRgb r = rs[x];
+                if ( ( abs( qRed( l ) - qRed(r ) ) < 20 ) &&
+                     ( abs( qGreen( l ) - qGreen(r ) ) < 20 ) &&
+                     ( abs( qBlue( l ) - qBlue(r ) ) < 20 ) )
+                    continue;
+                 kdDebug() << "pixel (" << x << ", " << y << ") is different " << QColor(  lhsi.pixel (  x, y ) ) << " " << QColor(  rhsi.pixel (  x, y ) ) << endl;
+                return false;
+            }
+        }
+    }
+
+    return true;
+}
+
+void RegressionTest::createLink( const QString& test, int failures )
+{
+    createMissingDirs( m_outputDir + "/" + test + "-compare.html" );
+
+    QFile list( m_outputDir + "/links.html" );
+    list.open( IO_WriteOnly|IO_Append );
+    QString link;
+    link = QString( "<a href=\"%1\" target=\"content\" title=\"%2\">" )
+           .arg( test + "-compare.html" )
+           .arg( test );
+    link += m_currentTest;
+    link += "</a> [";
+    if ( failures & DomFailure )
+        link += "D";
+    if ( failures & RenderFailure )
+        link += "R";
+    if ( failures & PaintFailure )
+        link += "P";
+    link += "]<br>\n";
+    list.writeBlock( link.latin1(), link.length() );
+    list.close();
+}
+
+void RegressionTest::doJavascriptReport( const QString &test )
+{
+    QFile compare( m_outputDir + "/" + test + "-compare.html" );
+    if ( !compare.open( IO_WriteOnly|IO_Truncate ) )
+        kdDebug() << "failed to open " << m_outputDir + "/" + test + "-compare.html" << endl;
+    QString cl;
+    cl = QString( "<html><head><title>%1</title>" ).arg( test );
+    cl += "<body><tt>";
+    QString text = "\n" + m_currentOutput;
+    text.replace( '<', "&lt;" );
+    text.replace( '>', "&gt;" );
+    text.replace( QRegExp( "\nFAILED" ), "\n<span style='color: red'>FAILED</span>" );
+    text.replace( QRegExp( "\nFAIL" ), "\n<span style='color: red'>FAIL</span>" );
+    text.replace( QRegExp( "\nPASSED" ), "\n<span style='color: green'>PASSED</span>" );
+    text.replace( QRegExp( "\nPASS" ), "\n<span style='color: green'>PASS</span>" );
+    if ( text.at( 0 ) == '\n' )
+        text = text.mid( 1, text.length() );
+    text.replace( '\n', "<br>\n" );
+    cl += text;
+    cl += "</tt></body></html>";
+    compare.writeBlock( cl.latin1(), cl.length() );
+    compare.close();
+}
+
+/** returns the path in a way that is relatively reachable from base.
+ * @param base base directory (must not include trailing slash)
+ * @param path directory/file to be relatively reached by base
+ * @return path with all elements replaced by .. and concerning path elements
+ *	to be relatively reachable from base.
+ */
+static QString makeRelativePath(const QString &base, const QString &path)
+{
+    QString absBase = QFileInfo(base).absFilePath();
+    QString absPath = QFileInfo(path).absFilePath();
+//     kdDebug() << "absPath: \"" << absPath << "\"" << endl;
+//     kdDebug() << "absBase: \"" << absBase << "\"" << endl;
+
+    // walk up to common ancestor directory
+    int pos = 0;
+    do {
+        pos++;
+        int newpos = absBase.find('/', pos);
+        if (newpos == -1) newpos = absBase.length();
+        QConstString cmpPathComp(absPath.unicode() + pos, newpos - pos);
+        QConstString cmpBaseComp(absBase.unicode() + pos, newpos - pos);
+//         kdDebug() << "cmpPathComp: \"" << cmpPathComp.string() << "\"" << endl;
+//         kdDebug() << "cmpBaseComp: \"" << cmpBaseComp.string() << "\"" << endl;
+//         kdDebug() << "pos: " << pos << " newpos: " << newpos << endl;
+        if (cmpPathComp.string() != cmpBaseComp.string()) { pos--; break; }
+        pos = newpos;
+    } while (pos < (int)absBase.length() && pos < (int)absPath.length());
+    int basepos = pos < (int)absBase.length() ? pos + 1 : pos;
+    int pathpos = pos < (int)absPath.length() ? pos + 1 : pos;
+
+//     kdDebug() << "basepos " << basepos << " pathpos " << pathpos << endl;
+
+    QString rel;
+    {
+        QConstString relBase(absBase.unicode() + basepos, absBase.length() - basepos);
+        QConstString relPath(absPath.unicode() + pathpos, absPath.length() - pathpos);
+        // generate as many .. as there are path elements in relBase
+        if (relBase.string().length() > 0) {
+            for (int i = relBase.string().contains('/'); i > 0; --i)
+                rel += "../";
+            rel += "..";
+            if (relPath.string().length() > 0) rel += "/";
+        }
+        rel += relPath.string();
+    }
+    return rel;
+}
+
+void RegressionTest::doFailureReport( const QString& test, int failures )
+{
+    if ( failures == NoFailure ) {
+        ::unlink( QFile::encodeName( m_outputDir + "/" + test + "-compare.html" ) );
+        return;
+    }
+
+    createLink( test, failures );
+
+    if ( failures & JSFailure ) {
+        doJavascriptReport( test );
+        return; // no support for both kind
+    }
+
+    QFile compare( m_outputDir + "/" + test + "-compare.html" );
+
+    QString testFile = QFileInfo(test).fileName();
+
+    QString renderDiff;
+    QString domDiff;
+
+    QString relOutputDir = makeRelativePath(m_baseDir, m_outputDir);
+
+    // are blocking reads possible with KProcess?
+    char pwd[PATH_MAX];
+    (void) getcwd( pwd, PATH_MAX );
+    chdir( QFile::encodeName( m_baseDir ) );
+
+    if ( failures & RenderFailure ) {
+        renderDiff += "<pre>";
+        FILE *pipe = popen( QString::fromLatin1( "diff -u baseline/%1-render %3/%2-render" )
+                            .arg ( test, test, relOutputDir ).latin1(), "r" );
+        QTextIStream *is = new QTextIStream( pipe );
+        for ( int line = 0; line < 100 && !is->eof(); ++line ) {
+            QString line = is->readLine();
+            line = line.replace( '<', "&lt;" );
+            line = line.replace( '>', "&gt;" );
+            renderDiff += line + "\n";
+        }
+        delete is;
+        pclose( pipe );
+        renderDiff += "</pre>";
+    }
+
+    if ( failures & DomFailure ) {
+        domDiff += "<pre>";
+        FILE *pipe = popen( QString::fromLatin1( "diff -u baseline/%1-dom %3/%2-dom" )
+                            .arg ( test, test, relOutputDir ).latin1(), "r" );
+        QTextIStream *is = new QTextIStream( pipe );
+        for ( int line = 0; line < 100 && !is->eof(); ++line ) {
+            QString line = is->readLine();
+            line = line.replace( '<', "&lt;" );
+            line = line.replace( '>', "&gt;" );
+            domDiff += line  + "\n";
+        }
+        delete is;
+        pclose( pipe );
+        domDiff += "</pre>";
+    }
+
+    chdir( pwd );
+
+    // create a relative path so that it works via web as well. ugly
+    QString relpath = makeRelativePath(m_outputDir + "/"
+        + QFileInfo(test).dirPath(), m_baseDir);
+
+    compare.open( IO_WriteOnly|IO_Truncate );
+    QString cl;
+    cl = QString( "<html><head><title>%1</title>" ).arg( test );
+    cl += QString( "<script>\n"
+                  "var pics = new Array();\n"
+                  "pics[0]=new Image();\n"
+                  "pics[0].src = '%1';\n"
+                  "pics[1]=new Image();\n"
+                  "pics[1].src = '%2';\n"
+                  "var doflicker = 1;\n"
+                  "var t = 1;\n"
+                  "var lastb=0;\n" )
+          .arg( relpath+"/baseline/"+test+"-dump.png" )
+          .arg( testFile+"-dump.png" );
+    cl += QString( "function toggleVisible(visible) {\n"
+                  "     document.getElementById('render').style.visibility= visible == 'render' ? 'visible' : 'hidden';\n"
+                  "     document.getElementById('image').style.visibility= visible == 'image' ? 'visible' : 'hidden';\n"
+                  "     document.getElementById('dom').style.visibility= visible == 'dom' ? 'visible' : 'hidden';\n"
+                  "}\n"
+                  "function show() { document.getElementById('image').src = pics[t].src; "
+                  "document.getElementById('image').style.borderColor = t && !doflicker ? 'red' : 'gray';\n"
+                  "toggleVisible('image');\n"
+                   "}" );
+    cl += QString ( "function runSlideShow(){\n"
+                  "   document.getElementById('image').src = pics[t].src;\n"
+                  "   if (doflicker)\n"
+                  "       t = 1 - t;\n"
+                  "   setTimeout('runSlideShow()', 200);\n"
+                  "}\n"
+                  "function m(b) { if (b == lastb) return; document.getElementById('b'+b).className='buttondown';\n"
+                  "                var e = document.getElementById('b'+lastb);\n"
+                  "                 if(e) e.className='button';\n"
+                  "                 lastb = b;\n"
+                  "}\n"
+                  "function showRender() { doflicker=0;toggleVisible('render')\n"
+                  "}\n"
+                  "function showDom() { doflicker=0;toggleVisible('dom')\n"
+                  "}\n"
+                   "</script>\n");
+
+    cl += QString ("<style>\n"
+                   ".buttondown { cursor: pointer; padding: 0px 20px; color: white; background-color: blue; border: inset blue 2px;}\n"
+                   ".button { cursor: pointer; padding: 0px 20px; color: black; background-color: white; border: outset blue 2px;}\n"
+                   ".diff { position: absolute; left: 10px; top: 100px; visibility: hidden; border: 1px black solid; background-color: white; color: black; /* width: 800; height: 600; overflow: scroll; */ }\n"
+                   "</style>\n" );
+
+    if ( failures & PaintFailure )
+        cl += QString( "<body onload=\"m(1); show(); runSlideShow();\"" );
+    else if ( failures & RenderFailure )
+        cl += QString( "<body onload=\"m(4); toggleVisible('render');\"" );
+    else
+        cl += QString( "<body onload=\"m(5); toggleVisible('dom');\"" );
+    cl += QString(" text=black bgcolor=gray>\n<h1>%3</h1>\n" ).arg( test );
+    if ( failures & PaintFailure )
+        cl += QString ( "<span id='b1' class='buttondown' onclick=\"doflicker=1;show();m(1)\">FLICKER</span>&nbsp;\n"
+                        "<span id='b2' class='button' onclick=\"doflicker=0;t=0;show();m(2)\">BASE</span>&nbsp;\n"
+                        "<span id='b3' class='button' onclick=\"doflicker=0;t=1;show();m(3)\">OUT</span>&nbsp;\n" );
+    if ( renderDiff.length() )
+        cl += "<span id='b4' class='button' onclick='showRender();m(4)'>R-DIFF</span>&nbsp;\n";
+    if ( domDiff.length() )
+        cl += "<span id='b5' class='button' onclick='showDom();m(5);'>D-DIFF</span>&nbsp;\n";
+    // The test file always exists - except for checkOutput called from *.js files
+    if ( QFile::exists( m_baseDir + "/tests/"+ test ) )
+        cl += QString( "<a class=button href=\"%1\">HTML</a>&nbsp;" )
+              .arg( relpath+"/tests/"+test );
+
+    cl += QString( "<hr>"
+                   "<img style='border: solid 5px gray' src=\"%1\" id='image'>" )
+          .arg( relpath+"/baseline/"+test+"-dump.png" );
+
+    cl += "<div id='render' class='diff'>" + renderDiff + "</div>";
+    cl += "<div id='dom' class='diff'>" + domDiff + "</div>";
+
+    cl += "</body></html>";
+    compare.writeBlock( cl.latin1(), cl.length() );
+    compare.close();
+}
+
+void RegressionTest::testStaticFile(const QString & filename)
+{
+    qApp->mainWidget()->resize( 800, 600); // restore size
+
+    // Set arguments
+    KParts::URLArgs args;
+    if (filename.endsWith(".html") || filename.endsWith(".htm")) args.serviceType = "text/html";
+    else if (filename.endsWith(".xhtml")) args.serviceType = "application/xhtml+xml";
+    else if (filename.endsWith(".xml")) args.serviceType = "text/xml";
+    m_part->browserExtension()->setURLArgs(args);
+    // load page
+    KURL url;
+    url.setProtocol("file");
+    url.setPath(QFileInfo(m_baseDir + "/tests/"+filename).absFilePath());
+    PartMonitor pm(m_part);
+    m_part->openURL(url);
+    pm.waitForCompletion();
+    m_part->closeURL();
+
+    if ( filename.startsWith( "domts/" ) ) {
+        QString functionname;
+
+        KJS::Completion comp = m_part->jScriptInterpreter()->evaluate("exposeTestFunctionNames();");
+        /*
+         *  Error handling
+         */
+        KJS::ExecState *exec = m_part->jScriptInterpreter()->globalExec();
+        if ( comp.complType() == ReturnValue || comp.complType() == Normal )
+        {
+            if (comp.value().isValid() && comp.value().isA(ObjectType) &&
+               (Object::dynamicCast(comp.value()).className() == "Array" ) )
+            {
+                Object argArrayObj = Object::dynamicCast(comp.value());
+                unsigned int length = argArrayObj.
+                                      get(exec,lengthPropertyName).
+                                      toUInt32(exec);
+                if ( length == 1 )
+                    functionname = argArrayObj.get(exec, 0).toString(exec).qstring();
+            }
+        }
+        if ( functionname.isNull() ) {
+            kdDebug() << "DOM " << filename << " doesn't expose 1 function name - ignoring" << endl;
+            return;
+        }
+
+        KJS::Completion comp2 = m_part->jScriptInterpreter()->evaluate("setUpPage(); " + functionname + "();" );
+        bool success = ( comp2.complType() == ReturnValue || comp2.complType() == Normal );
+        QString description = "DOMTS";
+        if ( comp2.complType() == Throw ) {
+            KJS::Value val = comp2.value();
+            KJS::Object obj = Object::dynamicCast(val);
+            if ( obj.isValid() && obj.hasProperty( exec, "jsUnitMessage" ) )
+                description = obj.get( exec, "jsUnitMessage" ).toString( exec ).qstring();
+            else
+                description = comp2.value().toString( exec ).qstring();
+        }
+        reportResult( success,  description );
+
+        if (!success && !m_known_failures)
+            doFailureReport( filename, JSFailure );
+        return;
+    }
+
+    int back_known_failures = m_known_failures;
+
+    if ( m_genOutput ) {
+        if ( m_known_failures & DomFailure)
+            m_known_failures = AllFailure;
+        reportResult( checkOutput(filename+"-dom"), "DOM" );
+        if ( m_known_failures & RenderFailure )
+            m_known_failures = AllFailure;
+        reportResult( checkOutput(filename+"-render"), "RENDER" );
+        if ( m_known_failures & PaintFailure )
+            m_known_failures = AllFailure;
+        renderToImage().save(m_baseDir + "/baseline/" + filename + "-dump.png","PNG", 60);
+        printf("Generated %s\n", QString( m_baseDir + "/baseline/" + filename + "-dump.png" ).latin1() );
+        reportResult( true, "PAINT" );
+    } else {
+        int failures = NoFailure;
+
+        // compare with output file
+        if ( m_known_failures & DomFailure)
+            m_known_failures = AllFailure;
+        if ( !reportResult( checkOutput(filename+"-dom"), "DOM" ) )
+            failures |= DomFailure;
+
+        if ( m_known_failures & RenderFailure )
+            m_known_failures = AllFailure;
+        if ( !reportResult( checkOutput(filename+"-render"), "RENDER" ) )
+            failures |= RenderFailure;
+
+        if ( m_known_failures & PaintFailure )
+            m_known_failures = AllFailure;
+        if (!reportResult( checkPaintdump(filename), "PAINT") )
+            failures |= PaintFailure;
+
+        doFailureReport(filename, failures );
+    }
+
+    m_known_failures = back_known_failures;
+}
+
+void RegressionTest::evalJS( ScriptInterpreter &interp, const QString &filename, bool report_result )
+{
+    QString fullSourceName = filename;
+    QFile sourceFile(fullSourceName);
+
+    if (!sourceFile.open(IO_ReadOnly)) {
+        fprintf(stderr,"Error reading file %s\n",fullSourceName.latin1());
+        exit(1);
+    }
+
+    QTextStream stream ( &sourceFile );
+    stream.setEncoding( QTextStream::UnicodeUTF8 );
+    QString code = stream.read();
+    sourceFile.close();
+
+    saw_failure = false;
+    ignore_errors = false;
+    Completion c = interp.evaluate(UString( code ) );
+
+    if ( report_result && !ignore_errors) {
+        bool expected_failure = filename.endsWith( "-n.js" );
+        if (c.complType() == Throw) {
+            QString errmsg = c.value().toString(interp.globalExec()).qstring();
+            if ( !expected_failure ) {
+                printf( "ERROR: %s (%s)\n",filename.latin1(), errmsg.latin1());
+                m_errors++;
+            } else {
+                reportResult( true, QString( "Expected Failure: %1" ).arg( errmsg ) );
+            }
+        } else if ( saw_failure ) {
+            if ( !expected_failure )
+                doFailureReport( m_currentCategory + "/" + m_currentTest, JSFailure );
+            reportResult( expected_failure, "saw 'failed!'" );
+        } else {
+            reportResult( !expected_failure, "passed" );
+        }
+    }
+}
+
+class GlobalImp : public ObjectImp {
+public:
+  virtual UString className() const { return "global"; }
+};
+
+void RegressionTest::testJSFile(const QString & filename )
+{
+    qApp->mainWidget()->resize( 800, 600); // restore size
+
+    // create interpreter
+    // note: this is different from the interpreter used by the part,
+    // it contains regression test-specific objects & functions
+    Object global(new GlobalImp());
+    khtml::ChildFrame frame;
+    frame.m_part = m_part;
+    ScriptInterpreter interp(global,&frame);
+    ExecState *exec = interp.globalExec();
+
+    global.put(exec, "part", Object(new KHTMLPartObject(exec,m_part)));
+    global.put(exec, "regtest", Object(new RegTestObject(exec,this)));
+    global.put(exec, "debug", Object(new RegTestFunction(exec,this,RegTestFunction::Print,1) ) );
+    global.put(exec, "print", Object(new RegTestFunction(exec,this,RegTestFunction::Print,1) ) );
+
+    QStringList dirs = QStringList::split( '/', filename );
+    // NOTE: the basename is of little interest here, but the last basedir change
+    // isn't taken in account
+    QString basedir =  m_baseDir + "/tests/";
+    for ( QStringList::ConstIterator it = dirs.begin(); it != dirs.end(); ++it )
+    {
+        if ( ! ::access( QFile::encodeName( basedir + "shell.js" ), R_OK ) )
+            evalJS( interp, basedir + "shell.js", false );
+        basedir += *it + "/";
+    }
+    evalJS( interp, m_baseDir + "/tests/"+ filename, true );
+}
+
+RegressionTest::CheckResult RegressionTest::checkPaintdump(const QString &filename)
+{
+    QString againstFilename( filename + "-dump.png" );
+    QString absFilename = QFileInfo(m_baseDir + "/baseline/" + againstFilename).absFilePath();
+    if ( svnIgnored( absFilename ) ) {
+        m_known_failures = NoFailure;
+        return Ignored;
+    }
+    CheckResult result = Failure;
+
+    QImage baseline;
+    baseline.load( absFilename, "PNG");
+    QImage output = renderToImage();
+    if ( !imageEqual( baseline, output ) ) {
+        QString outputFilename = m_outputDir + "/" + againstFilename;
+        createMissingDirs(outputFilename );
+
+        bool kf = false;
+        if ( m_known_failures & AllFailure )
+            kf = true;
+        else if ( m_known_failures & PaintFailure )
+            kf = true;
+        if ( kf )
+            outputFilename += "-KF";
+
+        output.save(outputFilename, "PNG", 60);
+    }
+    else {
+        ::unlink( QFile::encodeName( m_outputDir + "/" + againstFilename ) );
+        result = Success;
+    }
+    return result;
+}
+
+RegressionTest::CheckResult RegressionTest::checkOutput(const QString &againstFilename)
+{
+    QString absFilename = QFileInfo(m_baseDir + "/baseline/" + againstFilename).absFilePath();
+    if ( svnIgnored( absFilename ) ) {
+        m_known_failures = NoFailure;
+        return Ignored;
+    }
+
+    bool domOut = againstFilename.endsWith( "-dom" );
+    QString data = getPartOutput( domOut ? DOMTree : RenderTree );
+    data.remove( char( 13 ) );
+
+    CheckResult result = Success;
+
+    // compare result to existing file
+    QString outputFilename = QFileInfo(m_outputDir + "/" + againstFilename).absFilePath();
+    bool kf = false;
+    if ( m_known_failures & AllFailure )
+        kf = true;
+    else if ( domOut && ( m_known_failures & DomFailure ) )
+        kf = true;
+    else if ( !domOut && ( m_known_failures & RenderFailure ) )
+        kf = true;
+    if ( kf )
+        outputFilename += "-KF";
+
+    if ( m_genOutput )
+        outputFilename = absFilename;
+
+    QFile file(absFilename);
+    if (file.open(IO_ReadOnly)) {
+        QTextStream stream ( &file );
+        stream.setEncoding( QTextStream::UnicodeUTF8 );
+
+        QString fileData = stream.read();
+
+        result = ( fileData == data ) ? Success : Failure;
+        if ( !m_genOutput && result == Success ) {
+            ::unlink( QFile::encodeName( outputFilename ) );
+            return Success;
+        }
+    }
+
+    // generate result file
+    createMissingDirs( outputFilename );
+    QFile file2(outputFilename);
+    if (!file2.open(IO_WriteOnly)) {
+        fprintf(stderr,"Error writing to file %s\n",outputFilename.latin1());
+        exit(1);
+    }
+
+    QTextStream stream2(&file2);
+    stream2.setEncoding( QTextStream::UnicodeUTF8 );
+    stream2 << data;
+    if ( m_genOutput )
+        printf("Generated %s\n", outputFilename.latin1());
+
+    return result;
+}
+
+bool RegressionTest::reportResult(CheckResult result, const QString & description)
+{
+    if ( result == Ignored ) {
+        //printf("IGNORED: ");
+        //printDescription( description );
+        return true; // no error
+    } else
+        return reportResult( result == Success, description );
+}
+
+bool RegressionTest::reportResult(bool passed, const QString & description)
+{
+    if (m_genOutput)
+	return true;
+
+   if (passed) {
+        if ( m_known_failures & AllFailure ) {
+            printf("PASS (unexpected!): ");
+            m_passes_fail++;
+        } else {
+            printf("PASS: ");
+            m_passes_work++;
+        }
+    }
+    else {
+        if ( m_known_failures & AllFailure ) {
+            printf("FAIL (known): ");
+            m_failures_fail++;
+            passed = true; // we knew about it
+        } else {
+            printf("FAIL: ");
+            m_failures_work++;
+        }
+    }
+
+    printDescription( description );
+    return passed;
+}
+
+void RegressionTest::printDescription(const QString& description)
+{
+    if (!m_currentCategory.isEmpty())
+	printf("%s/", m_currentCategory.latin1());
+
+    printf("%s", m_currentTest.latin1());
+
+    if (!description.isEmpty()) {
+        QString desc = description;
+        desc.replace( '\n', ' ' );
+	printf(" [%s]", desc.latin1());
+    }
+
+    printf("\n");
+    fflush(stdout);
+}
+
+void RegressionTest::createMissingDirs(const QString & filename)
+{
+    QFileInfo dif(filename);
+    QFileInfo dirInfo( dif.dirPath() );
+    if (dirInfo.exists())
+	return;
+
+    QStringList pathComponents;
+    QFileInfo parentDir = dirInfo;
+    pathComponents.prepend(parentDir.absFilePath());
+    while (!parentDir.exists()) {
+	QString parentPath = parentDir.absFilePath();
+	int slashPos = parentPath.findRev('/');
+	if (slashPos < 0)
+	    break;
+	parentPath = parentPath.left(slashPos);
+	pathComponents.prepend(parentPath);
+	parentDir = QFileInfo(parentPath);
+    }
+    for (uint pathno = 1; pathno < pathComponents.count(); pathno++) {
+	if (!QFileInfo(pathComponents[pathno]).exists() &&
+	    !QDir(pathComponents[pathno-1]).mkdir(pathComponents[pathno])) {
+	    fprintf(stderr,"Error creating directory %s\n",pathComponents[pathno].latin1());
+	    exit(1);
+	}
+    }
+}
+
+void RegressionTest::slotOpenURL(const KURL &url, const KParts::URLArgs &args)
+{
+    m_part->browserExtension()->setURLArgs( args );
+
+    PartMonitor pm(m_part);
+    m_part->openURL(url);
+    pm.waitForCompletion();
+}
+
+bool RegressionTest::svnIgnored( const QString &filename )
+{
+    QFileInfo fi( filename );
+    QString ignoreFilename = fi.dirPath() + "/svnignore";
+    QFile ignoreFile(ignoreFilename);
+    if (!ignoreFile.open(IO_ReadOnly))
+        return false;
+
+    QTextStream ignoreStream(&ignoreFile);
+    QString line;
+    while (!(line = ignoreStream.readLine()).isNull()) {
+        if ( line == fi.fileName() )
+            return true;
+    }
+    ignoreFile.close();
+    return false;
+}
+
+void RegressionTest::resizeTopLevelWidget( int w, int h )
+{
+    qApp->mainWidget()->resize( w, h );
+    // Since we're not visible, this doesn't have an immediate effect, QWidget posts the event
+    QApplication::sendPostedEvents( 0, QEvent::Resize );
+}
+
+#include "test_regression.moc"